Bleaching apparatus



Jun@ '19, 1923. 1,45%97 C. TAYLOR BLEACHING APPARATUS Filed-oct. 51, 1922 2 sheets-sheet 2 www.

Patentel .lune 19, 1923.

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CHARLES TAYLUR, OF PATERSON, NEW

nrnaonrne errar-mains.

Application led October 31, 1922.

To all 107mm t may concern.:

Be it known that I, CHARLES TAYLOR, a subject of the King of Great Britain, residing at Paterson, rin the county 01"' Passaic 5 and State oifNew Jersey, have invented certain new and useful Improvements in Bleaching Apparatus, of which the follow ing is a specification. i

This invent-ion relates to processes ofk lo bleaching, and apparatus therefor.

In the present process, cloth to be bleached is fed to a kier` and sprayed with bleach-` ing liquid in the usual manner, the liquid being circulated from the bottom ot the kier l5 to the top by suitable means and the kier is Aheated to the desired temperature by means of superheated steam. r

The steam is preferably arranged in a jacket or coil and the kier heated by radiation, whereby the concentration `of `the bleaching liquid is not aiected by the steam employed for heating.

An object of the invention is the provision of suitable apparatus for use in practicing the process, consisting of a kier having a grate therein and provided with an outlet at the bottom connected to suitable means for returning` the bleaching liquid to the top. A closed steam coil is arranged in the kier adjacent the grate and is connected to a suitable supply ot superheated steam.

In the accompanying drawings, I have shown an apparatus particularly suitable for use in practicing theprocess. In this showing:

Figure 1 is a vertical sectional view of the kier,

Figure 2 is a horizontal sectional view on line 2-2 of Figure 1, and,

Figure 3 is a similar view on line 3-3 of Figure 1.

Referring to the drawings, the reference numeral 1 designates a kier formed of any suitable material and arranged in the form of a tank. The kier is provided with an opening 2 at its upper end which may be closed by a hinged cover 8 when cloth is not being delivered thereto. A grate L1 is arranged adjacent the bottom of the kier, the grate being supported on a ring 5, secured to the inner wall. A coil 6 is arranged within the kier beneath the grate. As shown the ends of the coil are connected to pipes l! by means ot unions 8. 'Ihese pipes extend through the wall of the kier and are motor 15.

semaine. teramo.`

provided with suitable control valves 9. @ne of the pipes serves as an inlet and is con-- nected to a suitable source' of superheated steam (not shown) andthe other pipe serves as an'outlet. The bottom of the kier is pro- 60 vided with an outlet opening 10, connected to a` pipe 11. This pipe is in turn connected to a tting 12. A return pipe 13`is con-4 j nected to the iitting and this pipe communii r cates with a pump 14, driven by a suitable rIhe pump communicateswith a vertical pipe 16, having a "lateral branch 17, y r arranged therein adjacent the top` of the kier. This branch is providedfwith a valve 18. The inner end of the pipe 17 is con- 70 nected to a perforated rose 19, arranged within the kier by a swivel joint 20. Beyond .r the pipe 18, the vertical pipe is provided with a control valve 21. This pipe terminates in a horizontal pipe 22, connected to a ieed hopper 28, arranged over the top of the kier. The cloth to be bleached is delivered through this hopper and is shown in dotted lines, being designated by the letter A.. The bleaching liquid is adapted to beso stored in a tank 23 which is connected to the tting 12 by means of a pipe 24. This pipe is provided with a controlvalve 25. A` discharge pipe 26k is connected to the fitting 12 and is provided with a control n valve 27. The vertical pipe 16 may be provided with. suitable instruments 28 for measuring the temperature or the bleaching liquid and for determining the iiow of the liquid in circulation.

In practicing the process, the material is delivered to the kier in the usual manner and the bleaching liquid is sprayed upon the material through the pipes 17 and 22.` Either of these pipes may be cut off from the supply lwhen desired by closing the valve 18 or 21. `'lhe material passes into the kier and rests upon the grate 4. The bleaching liquid collects in the bottom of the kier. and when the valves 25 and 27 are closed, it is de- Mm livered through the pipes 11, 13 and 16 by the pump 14 to the pipes 17 and 22. The liquid is thus kept in circulation. The kier may be heated to any desired temperature by passing superheated steam or other fluid through the 105 coil 6. By confining theheating Huid in a coil, the concentration of the bleaching solution is not changed, which is a decided advan tage over the open steam method of heating. r. When the instrument 2S indicates an unde 110 sii-ed rise in temperature in the body of bleachingliquim-the heat may 'be eut down` or regulated by valves 9.

After the bleaching process has been conipleted, the bleaching fluid may be discharged through pipe 26 by opening the valve Q7. The bleaching fluid is stored in tank 23 and is delivered to the kier by opening valve Q5, the valve 27 being closed when the Huid is being delivered to the kier and being closed during. the performance of the process.

t is to the invention herewith shown and described is to be taken as a preferred example of the same, and that various changes in the shape, size, and arrangement `of part-s may be resorted to without departing 4troni the spirit o fr'; the invention or the scope ot the subl joined Claim.

l claim: f l ln an apparatus of the Character. described,

be understood lthat the form oi" a kier having an inlet opening, a hopper` arranged abovey said opening, a pipe extending downwardly Jtrom said hopper and terminating within said inlet opening to feed the materiai to be bleached to said kier, a grate in said kier to support the cloth, said grate being arranged adjacent the bottom, a valved outlet pipe arranged in the bottom of said kier, a pipe connecting said outlet pipe to said hopper, a pump arranged in said connecting pipe, a valved branch pipe ezftending'from` said connecting pipe, and a perforated rose arranged on the end of said branch pipe and in alinement with said hopper and said first mentioned pipe.

Intestimony whereoil affix my signature iny presence of twowitnesses.

CHARLES' TAYLOR.

Witnesses: p

Euren. SU'rHnRLANn,y XV. AUKIN Fenner. 

